International Organization for Standardization (ISO)
Status
Latest
ISO 769:1972
Scope
Covers sheet materials as classified and defined in ISO 818. The specified method includes the calculation of the increase in mass and thickness. Apparatus, sampling and preparation of specimens, and testing are described.
ISO 769:1972 history
1972ISO 769:1972 Fibre building boards; Hard and medium boards; Determination of water absorption and of swelling in thickness after immersion in water